At BorderlandBeat.com, there's an article about how cheap grenades are...$6.50. They're coming from El Salvador, Guatemala, Belize.
For the price of a fast food combo meal, you can get a grenade...
Contrary to the bogus leftwing claims that Mexican violence is fueled by guns from the US, those countries are also where the overwhelming majority of the the guns - actual fully automatic military weapons - used in their drug wars have come from. Many are leftovers from the civil wars that raged in Central America in the recent past. Others are almost certainly from the same Commie benefactors arming the narco-terrorists of Colombia.
Can I supersize that, please?
Coming soon--a Happy Meal with a rocket launcher!